Sideboard



FIG. 1 is a front left perspective view of a sideboard showing the newdesign;

FIG. 2 is a front left perspective view, showing the sideboard in analternate state thereof;

FIG. 3 is a front right perspective view thereof;

FIG. 4 is a front right perspective view, showing the sideboard in analternate state thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a back elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a right elevation view thereof; and,

FIG. 10 is a left elevation view thereof.

The broken lines in the drawings are for the purpose of illustratingportions of the article that form no part of the claimed design.

CLAIM The ornamental design for a sideboard, as shown and described.